20279536

素因数分解:

$2^4\times {\mathrm{19}}^2\times {\mathrm{3511}}^1$

素因数の和:3557

約数の個数: 30

約数和(自身を含む): 41480232

約数和(自身を除く): 21200696

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 361, 722, 1444, 2888, 3511, 5776, 7022, 14044, 28088, 56176, 66709, 133418, 266836, 533672, 1067344, 1267471, 2534942, 5069884, 10139768, 20279536]

約数ペア:

[(1, 20279536), (2, 10139768), (4, 5069884), (8, 2534942), (16, 1267471), (19, 1067344), (38, 533672), (76, 266836), (152, 133418), (304, 66709), (361, 56176), (722, 28088), (1444, 14044), (2888, 7022), (3511, 5776)]